Word roots
Prefixes
Suffixes
100

These words all have the word root, which means "to go against":

competition, compete, competitor

What is "compet-".

100

This prefix means "one", as in these words:

monotone, monopoly, monogamous

What is "mono-".

100

These words all have this suffix in common, which means "one who":

Decomposer, consumer, producer

What is "-er."

200

These words all have this word root in common, which means "plants":

herbivore, herbaceous, herbivorous 

What is "herb-".

200

This prefix also means "one," as in:

unicorn, unicellular, unicycle

What is "uni-".

200

This is a suffix meaning "one who," as in the following words:

biologist, geologist, chemist

What is "-ist".

300

These words all have this word root, which means "to change or modify":

adaptation, adapting, adapted

What is "adapt-".

300

This prefix means "two," as in:

diploid, dichotomy 

What is "di-".

300

This is a suffix that means "place for; or one who," as in:

glossary, library, secretary

What is "-ary".

400

This is a word root meaning, "to move from one area to another," as in these words:

Immigrate, migration, emigrate

What is "migra-".

400

This is another prefix that also means "two," as in:

bicycle, binary, bilingual

What is "bi-".

400

This is a suffix that means, "relating to," as in:

energetic, historic, caustic

What is "-ic".

500

This word part means "study of":

Ecology, geology, dendrology 

What is "-ology".

500

This is a prefix that means "three," as in

tricycle, triangle, tripod

What is "tri-".

500

This is a suffix that means "having the quality of," as in:

childish, selfish, boyish

What is "-ish".

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